{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900012218},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008398","490:4900009049","490:4900000880","490:4900009565","490:4900002849","490:4900003300","494:4940006795","490:4900010069","490:4900007829","494:4940006920","490:4900009398","490:4900008287","490:4900009813","490:4900006131","490:4900004937","490:4900006024","490:4900009503","494:4940007438","494:4940007760","490:4900001157","466:4660004721","490:4900012131","490:4900007946","480:4800004526","480:4800004871"],"twin_admin_codes":[490,490,490,490,490,490,494,490,490,494,490,490,490,490,490,490,490,494,494,490,466,490,490,480,480],"twin_sims":[0.1946947276324579,0.012297240854062547,0.011329528253648361,0.008508932074555976,0.008457950678135722,0.008063724898564434,0.007807459190028358,0.007781667866656258,0.007514354415569526,0.006196982565729755,0.00574159577862398,0.005316532471884704,0.004869688372496494,0.0038412146945452875,0.0036585180888105357,0.003642689543724318,0.0034109056194348937,0.0029371896862789636,0.0028786073010500443,0.002665103102489532,0.0021115114501965926,0.001992462805790988,0.0018994697701409746,0.0018993774796523541,0.0018812094742872416],"twin_dists":[0.2349488306771215,0.3851990751402439,0.3887715427525832,0.40100054922327877,0.4012532501742678,0.40325472762617365,0.40460335361134575,0.4047412733488528,0.4061954168184165,0.4141221813160097,0.41721936364950574,0.42031742362503033,0.42382585727067384,0.43316467637376255,0.43505809711123977,0.43522616840021433,0.43776670909431065,0.44349055093184453,0.4442561318967723,0.44717249671191434,0.4558705973285761,0.45801279028686576,0.45976964451305735,0.4597714270628335,0.4601238958256911],"n_dims_used":45,"mean_confidence":0.9076659308539496},"coverage":{"mean_confidence":0.9076659308539496,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}